Originally Posted by
trailangel
If you wait about 15-20 years from now you can buy new Biopace chainrings, as Shimano will bring it back again with other manufactures jumping on the wagon. All telling us how good it is.
Comes around about every 50 years.
I fully expect that in 15 to 20 years I will either be pushing up grass or in a wheel chair. Either way, my riding days will be over.
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"Whenever I see an adult riding a bicycle, I know there is hope for mankind." (H. G. Wells)